This is the Tactic TR624 2.4GHz 6-Channel Receiver. The TR624 is a full-range flight receiver with a 1.2 in. (30 mm) antenna for optimum reception in everything from electric park fliers to massive, gas-powered scale models.

Features:

True, 2.4GHz economy: Tactic receivers perform like high-end equipment at less than half the cost. That makes Tactic systems a better investment for today, and upgrades more affordable in the future.

The right size, weight and range for any application: Compact, full-range and around quarter-ounce in weight, Tactic receivers are a good “fit” and easy install in everything from tiny slow flyers to 1/10 scale chassis and giant-scale aircraft and vehicles.